package com.atguigu.common.result;

import lombok.Data;

import java.util.HashMap;
import java.util.Map;

/**
 * @className R
 * @Author sofia
 * @Date 2021/9/20
 **/
@Data
public class R {
    private Integer code;
    private String message;
    private Map<String,Object> data = new HashMap<>();

    //构造函数私有化
    private R(){};

    //返回成功结果
    public static  R ok(){
        R r = new R();
        r.setCode(ResponseEnum.SUCCESS.getCode());
        r.setMessage(ResponseEnum.SUCCESS.getMessage());
        return r;
    }
    //返回失败结果
    public static R Error(){
        R r = new R();
        r.setCode(ResponseEnum.ERROR.getCode());
        r.setMessage(ResponseEnum.ERROR.getMessage());
        return r;
    }

    //设置特定的结果
    public static R setResult(ResponseEnum responseEnum){
        R r = new R();
        r.setCode(responseEnum.getCode());
        r.setMessage(responseEnum.getMessage());
        return r;
    }

    //返回Data
    public  R data(String key,Object value){
        this.data.put(key,value);
        return this;
    }

    //设置特定的返回信息
    public R setMessage(String message){
        this.message = message;
        return this;
    }

    //设置特定的响应码
    public R setCode(Integer code){
        this.code = code;
        return this;
    }

}
